NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

MORPHOLOGY OF FLOWERING PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement about leaf is incorrect?
A
In pinnately compound leaf, leaflets are borne on a common axis called rachis
B
In palmately compound leaf, leaflets are attached at a common point i.e. tip of petiole
C
a bud is present in the axil of petiole of simple leaf and not in compound leaf
D
A leaf is called simple till the incision of lamina touches the mid rib
Explanation: 

Detailed explanation-1: -Axillary bud is present in the axil of petiole in both simple and compound leaves, but not in the axil of leaflets of the compound leaf. This axillary bud (lateral bud) forms vegetative or reproductive shoots.

Detailed explanation-2: -The axillary bud (or lateral bud) is an embryonic or organogenic shoot located in the axil of a leaf.

Detailed explanation-3: -Which of the following is incorrect about leaf? (a) It is arranged in acropetal order (b) It develops from node (c) It is generally flattened in shape (d) It is arranged in basipetal order. answer is (d).

Detailed explanation-4: -A leaf is said to be simple when the lamina is undivided or when divided the incisions do not touch the mid rib. When the lamina divides forming leaflets, the leaf is said to be compound.

There is 1 question to complete.